Last updated on February 6th, 2024 at 12:55 am
CG Board Class 8 Synthetic Fibres & Plastics
Chhattisgarh Board Class 8 Science Chapter 2 Solution Textbook question and answers as well as extra question and answers from the chapter
Choose the correct answer-
(i) Synthetics fibres are –
- (a) Fibres obtained from plants.
- (b) Fibres obtained from animals.
- (c) Fibres made from chemicals [answer]
- (d) All the above
(ii) The type of plastic used in making combs is –
- (a) Thermosetting plastic
- (b) Thermoplastic [answer]
- (c) (a) and (b) both
- (d) Neither (a) nor (b)
(iii) Clothes of firemen are made from –
- (a) Teflon
- (b) Melamine
- (c) Bakelite
- (d) Thermoplastic [answer]
Artificial silk is –
- (a) Nylon
- (b) Polyester
- (c) Rayon [answer]
- (d) Acrylic
(v) PET is
- (a) Nylon
- (b) Polyester [answer]
- (c) Rayon
- (d) Acrylic
Match the terms of column A correctly with the given in column B
AÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â B
Rayon used in — making parachutes and ropes
Nylon fabrics — do not wrinkle easily
Thermoplastic made — from wood pulp
Polyester can’t be — moulded upon heating
Thermosetting plastic — can be moulded easily by heating
Q- Name any three objects made from nylon that shows its strength.
A- Three objects made from nylon that showcase its strength are:Parachutes, Ropes,  Socks.
Q- Why PET containers are preferred to store food items?